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Index in position 1 exceeds array bounds (must not exceed 1).

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path = 'H:\radition';
Date= importdata([path '\radd.csv']);
dB = Date(1:360,3);
% pol_1 = 10*log10(Data(1:121,3)./max(Data(1:121,3)));
Theta = Data(1:361,1)*pi/180;
dB = dB-min(dB);
polarplot (Theta,(dB/50))
hold on
  2 Comments
Atsushi Ueno
Atsushi Ueno on 19 May 2023
Moved: Atsushi Ueno on 19 May 2023
The output from importdata function seems to be struct.
Theta (B1:B360) looks like only 90[deg] or 270[deg].
Date= importdata('radd.csv')
Date = struct with fields:
data: [360×7 double] textdata: {360×1 cell} rowheaders: {360×1 cell}
dB = Date.data(1:360,3);
% pol_1 = 10*log10(Data(1:121,3)./max(Data(1:121,3)));
Theta = Date.data(1:360,1)*pi/180;
dB = dB-min(dB);
polarplot (Theta,(dB/50))
hold on

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Answers (1)

KSSV
KSSV on 19 May 2023
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1388229/radd.csv') ;
dB = T.(3) ;
% pol_1 = 10*log10(Data(1:121,3)./max(Data(1:121,3)));
Theta = T.(1)*pi/180;
dB = dB-min(dB);
polarplot (Theta,(dB/50))
  3 Comments
Aya Emam
Aya Emam on 19 May 2023
like 8 can you help me to draw like this by using the same excel sheet pleas sir

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